Sailboat Dinghy Hardware 72mm 2 5/6" Double Swivel Shackle Becket Plain Bearing Master BP-7204F 72 mm Plain Bearing blocks are typically used for high loads for Halyard tuning, Mainsheet systems, Mast foot blocks, Mast head blocks and boom vangs. •Do not use Master products to human suspension! Specification:Brand: MasterPart Number: BP-7204FSheave Ø (mm) 72 mmSheave Ø (in)2 5/6 inLength (mm)170 mmLength (in)6 2/3 inWeight (g)376 gWeight (oz)12.36 ozMaximum line Ø (mm)12 mmMaximum line Ø (in)1/2 inMaximum working load (kg)1000 kgMaximum working load (lb)2200 lbBreaking load (kg)2000 kgBreaking load (lb) 4400 lb Destination custom duty/tax are not included in the listing price; it is the customer's responsibility to pay for custom duty if any. Shipping by China Post ePacket/Registered Air Mail with shipping tracking number provided. It will take about 3-4 weeks’ time to deliver to you after shipping out, some countries may take longer time to deliver. If you want faster delivery, please contact me for shipping upgrade.